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Shimmering in Infrared Light

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Shimmering in Infrared Light


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This artist's conception shows what a dusty and bright galaxy located billions of light-years away might look like close up if viewed in infrared light. Galaxies like these are so far away and so drenched in dust, they appear invisible to optical telescopes. NASA's Spitzer Space Telescope uncovered a hidden population of dusty galaxies like these using its heat-seeking infrared eyes. The galaxies are among the brightest in the universe and are located 11 billion light-years away back to a time when the universe was 3 billion years old. The universe is currently believed to be 13.5 billion years old. Astronomers are not sure what is lighting up these cosmic behemoths, but they speculate that quasars -- the most luminous objects in the universe -- may be lurking inside.


Mediatype image
Creator NASA/JPL-Caltech/T. Pyle (SSC)
Date 0000
Relation NASA's Spitzer Space Telescope Exposes Dusty Galactic Hideouts [ http://www.spitzer.caltech.edu/Media/releases/ssc2005-08/release.shtml ]; Cornell University Press Release [ http://www.news.cornell.edu/stories/March05/Houck.Spitzer.lk.deb.html ] JPL Homepage [ http://www.jpl.nasa.gov/ ]
Insightuid nasaNAS~12~12~64274~168740
Source http://sscws1.ipac.caltech.edu/Imagegallery/image.php?image_name=ssc2005-08b
What Spitzer Space Telescope
Identifier SPITZ-ssc2005-08b
Addeddate 2009-10-06 01:37:52
Publicdate 2009-10-06 05:40:18
Backup_location ia903604_1

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